diff --git a/README.md b/README.md
index 71c5623..d4de4c6 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Tmp
 
-![Actions Status](https://github.com/preciz/tmp/workflows/test/badge.svg)
+![Actions Status](https://github.com/preciz/tmp/workflows/test/badge.svg?branch=master)
 
 Temporary directories that are monitored and automatically removed.